1-Ethenyl-2-pyrrolidinone polymer with ethenylbenzene 1-Ethenyl-2-pyrrolidinone, polymer with ethenylbenzene 1-Vinyl-2-pyrrolidinone polymer with styrene 12673-67-5 2-Pyrrolidinone, 1-ethenyl-, polymer with ethenylbenzene 2-Pyrrolidinone, 1-vinyl-, polymer with styrene (8CI) 25086-29-7 37311-06-1 PVP/Styrene copolymer Polectron 430 Polectron 450 Porapak B Styrene-N-vinylpyrrolidone polymer Styrene-vinylpyrrolidinone polymer Styrene-vinylpyrrolidone copolymer Styrene/PVP copolymer Vinylpyrrolidinone - styrene polymer Vinylpyrrolidinone-styrene polymer Vinylpyrrolidone/styrene copolymer